A rip current is a strong channel of water moving away from the shore. Rip currents typically form along the beach at breaks in the offshore underwater sandbar, but they can also form near structures such as jetties and piers.
Best disk wiping tools-the tool depends on the task. Disk wiping is a non-destructive way of permanently removing data very different from data destruction, either physical or using a degaussing system that does the same job at the expense of destroying the drive itself.
Wiping the hard drive. As mentioned, the only way to completely ensure your data isnt going to be recovered is to completely and permanently delete the drive contents using a special utility. Then you can throw out the computer or drive without worry, or you can reinstall Windows so someone else can make use of it. If youve taken the hard drive out of the computer and put it into another computer, you can use a tool, such as Disk Wipe in Windows.